CN1217612A - 码尔多址无线电通信系统 - Google Patents

码尔多址无线电通信系统 Download PDF

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Publication number
CN1217612A
CN1217612A CN98119692A CN98119692A CN1217612A CN 1217612 A CN1217612 A CN 1217612A CN 98119692 A CN98119692 A CN 98119692A CN 98119692 A CN98119692 A CN 98119692A CN 1217612 A CN1217612 A CN 1217612A
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CN
China
Prior art keywords
known reference
correlator
correlators
reference signal
search
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN98119692A
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English (en)
Chinese (zh)
Inventor
铃木晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CN1217612A publication Critical patent/CN1217612A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CN98119692A 1997-09-20 1998-09-21 码尔多址无线电通信系统 Pending CN1217612A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP273737/97 1997-09-20
JP27373797A JP3297632B2 (ja) 1997-09-20 1997-09-20 Ｃｄｍａ端末装置

Publications (1)

Publication Number Publication Date
CN1217612A true CN1217612A (zh) 1999-05-26

Family

ID=17531871

Family Applications (1)

Application Number Title Priority Date Filing Date
CN98119692A Pending CN1217612A (zh) 1997-09-20 1998-09-21 码尔多址无线电通信系统

Country Status (5)

Country Link
EP (1) EP0903870A3 (de)
JP (1) JP3297632B2 (de)
KR (1) KR100295931B1 (de)
CN (1) CN1217612A (de)
CA (1) CA2247742A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001097397A1 (en) * 2000-06-05 2001-12-20 Linkair Communications, Inc. The synchronization capture method of downline in cdma system
CN1332513C (zh) * 2003-07-10 2007-08-15 英属盖曼群岛威盛电通股份有限公司 估测封包数据通道上干扰与噪声的方法及其装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3525828B2 (ja) 1999-11-01 2004-05-10 株式会社日立製作所 位置登録制御方法とそれを用いた移動局装置
US6763058B1 (en) 2000-06-27 2004-07-13 Northrop Grumman Corporation Low signal to noise ratio acquisition and link characterization techniques for VSAT spread spectrum modems
JP2002142247A (ja) * 2000-11-02 2002-05-17 Hitachi Ltd 位置登録制御方法とそれを用いた移動局装置
JP3992459B2 (ja) 2001-07-23 2007-10-17 富士通株式会社 受信装置、受信方法、および、半導体装置
JP5078243B2 (ja) * 2005-09-02 2012-11-21 東京エレクトロン株式会社 真空処理装置および真空予備室の排気方法
KR101397966B1 (ko) * 2013-04-16 2014-06-27 국방과학연구소 수중 음향 코드 분할 다중 접속 통신 시스템에서 유사잡음 획득을 이용한 위상 오류 정정 장치 및 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2655068B2 (ja) * 1993-12-30 1997-09-17 日本電気株式会社 スペクトラム拡散受信機
FI943249L (fi) * 1994-07-07 1996-01-08 Nokia Mobile Phones Ltd Menetelmä vastaanottimen ohjaamiseksi ja vastaanotin
US5764687A (en) * 1995-06-20 1998-06-09 Qualcomm Incorporated Mobile demodulator architecture for a spread spectrum multiple access communication system
JP2820918B2 (ja) * 1996-03-08 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 スペクトル拡散通信装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001097397A1 (en) * 2000-06-05 2001-12-20 Linkair Communications, Inc. The synchronization capture method of downline in cdma system
CN1332513C (zh) * 2003-07-10 2007-08-15 英属盖曼群岛威盛电通股份有限公司 估测封包数据通道上干扰与噪声的方法及其装置

Also Published As

Publication number Publication date
KR100295931B1 (ko) 2001-08-07
EP0903870A2 (de) 1999-03-24
JPH1198118A (ja) 1999-04-09
JP3297632B2 (ja) 2002-07-02
EP0903870A3 (de) 2002-10-09
KR19990029964A (ko) 1999-04-26
CA2247742A1 (en) 1999-03-20

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